kernel/inc/proc/pipe.h

// This file is part of noxos and licensed under the MIT open source license

#ifndef NOXOS_PIPE_H
#define NOXOS_PIPE_H

#ifndef NOX_PROCESS
typedef struct process_T process_T;
#endif

#include "utils/stream.h"
#include "utils/bitmap.h"

#define PIPE_MAX_SENDERS        8
#define PIPE_STD_STREAM_SIZE    0x1000

typedef struct {
    stream_T*   stream;
    process_T*  receiver;
    process_T*  senders         [PIPE_MAX_SENDERS];
    bitmap_T    senders_bitmap;
    void        (*on_write)();
} pipe_T;

void        pipe_init           (pipe_T* pipe, process_T* receiver, void (*on_write)());
void        pipe_destruct       (pipe_T* pipe);
bool        pipe_add_sender     (pipe_T* pipe, process_T* sender);
void        pipe_remove_sender  (pipe_T* pipe, process_T* sender);
uint64_t    pipe_write          (pipe_T* pipe, void* buffer_in, uint64_t n);
uint64_t    pipe_read           (pipe_T* pipe, void* buffer_out, uint64_t n);

#endif //NOXOS_PIPE_H